Message ID | 6b4586842314b8c101758fdda6555d4353b7789b.1590594512.git-series.maxime@cerno.tech (mailing list archive) |
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State | New, archived |
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Wed, 27 May 2020 11:49:49 -0400 (EDT) From: Maxime Ripard <maxime@cerno.tech> To: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>, Eric Anholt <eric@anholt.net> Subject: [PATCH v3 021/105] drm/vc4: plane: Create more planes Date: Wed, 27 May 2020 17:47:51 +0200 Message-Id: <6b4586842314b8c101758fdda6555d4353b7789b.1590594512.git-series.maxime@cerno.tech> X-Mailer: git-send-email 2.26.2 In-Reply-To: <cover.aaf2100bd7da4609f8bcb8216247d4b4e4379639.1590594512.git-series.maxime@cerno.tech> References: <cover.aaf2100bd7da4609f8bcb8216247d4b4e4379639.1590594512.git-series.maxime@cerno.tech> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200527_084952_807478_9DA067DE X-CRM114-Status: UNSURE ( 9.05 ) X-CRM114-Notice: Please train this message. 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Series |
drm/vc4: Support BCM2711 Display Pipeline
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expand
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diff --git a/drivers/gpu/drm/vc4/vc4_plane.c b/drivers/gpu/drm/vc4/vc4_plane.c index 5335123ae2a0..c190ccc42c51 100644 --- a/drivers/gpu/drm/vc4/vc4_plane.c +++ b/drivers/gpu/drm/vc4/vc4_plane.c @@ -1387,7 +1387,7 @@ int vc4_plane_create_additional_planes(struct drm_device *drm) * modest number of planes to expose, that should hopefully * still cover any sane usecase. */ - for (i = 0; i < 8; i++) { + for (i = 0; i < 16; i++) { struct drm_plane *plane = vc4_plane_init(drm, DRM_PLANE_TYPE_OVERLAY);
Let's now create more planes that can be affected to all the CRTCs. vc4 has 3 CRTCs, 1 primary and 1 cursor each, and was having 24 (8 planes per CRTC) overlays. However, vc5 has 5 CRTCs, so keeping the same logic would put us at 50 planes which is well above the 32 planes limit imposed by DRM. Using 16 seems like a good tradeoff between staying under 32 and yet providing enough planes. Signed-off-by: Maxime Ripard <maxime@cerno.tech> --- drivers/gpu/drm/vc4/vc4_plane.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)